diff --git a/src/app/Console/Commands/DomainStatus.php b/src/app/Console/Commands/DomainSetStatus.php
copy from src/app/Console/Commands/DomainStatus.php
copy to src/app/Console/Commands/DomainSetStatus.php
--- a/src/app/Console/Commands/DomainStatus.php
+++ b/src/app/Console/Commands/DomainSetStatus.php
@@ -5,31 +5,21 @@
 use App\Domain;
 use Illuminate\Console\Command;
 
-class DomainStatus extends Command
+class DomainSetStatus extends Command
 {
     /**
      * The name and signature of the console command.
      *
      * @var string
      */
-    protected $signature = 'domain:status {domain}';
+    protected $signature = 'domain:set-status {domain} {status}';
 
     /**
      * The console command description.
      *
      * @var string
      */
-    protected $description = 'Display the status of a domain';
-
-    /**
-     * Create a new command instance.
-     *
-     * @return void
-     */
-    public function __construct()
-    {
-        parent::__construct();
-    }
+    protected $description = "Set a domain's status.";
 
     /**
      * Execute the console command.
@@ -44,7 +34,8 @@
             return 1;
         }
 
-        $this->info("Found domain: {$domain->id}");
+        $domain->status = (int) $this->argument('status');
+        $domain->save();
 
         $this->info($domain->status);
     }
diff --git a/src/app/Console/Commands/DomainStatus.php b/src/app/Console/Commands/DomainStatus.php
--- a/src/app/Console/Commands/DomainStatus.php
+++ b/src/app/Console/Commands/DomainStatus.php
@@ -44,8 +44,6 @@
             return 1;
         }
 
-        $this->info("Found domain: {$domain->id}");
-
         $this->info($domain->status);
     }
 }
diff --git a/src/app/Observers/UserAliasObserver.php b/src/app/Observers/UserAliasObserver.php
--- a/src/app/Observers/UserAliasObserver.php
+++ b/src/app/Observers/UserAliasObserver.php
@@ -21,17 +21,22 @@
     {
         $alias->alias = \strtolower($alias->alias);
 
-        if ($exists = User::emailExists($alias->alias, true, $alias_exists)) {
+        list($login, $domain) = explode('@', $alias->alias);
+
+        $domain = Domain::where('namespace', $domain)->first();
+
+        if (!$domain) {
+            \Log::error("Failed creating alias {$alias->alias}. Domain does not exist.");
+            return false;
+        }
+/*
+        if ($exists = User::emailExists($alias->alias, true, $alias_exists, !$domain->isPublic())) {
             if (!$alias_exists) {
                 \Log::error("Failed creating alias {$alias->alias}. Email address exists.");
                 return false;
             }
 
-            list($login, $domain) = explode('@', $alias->alias);
-
-            $domain = Domain::where('namespace', $domain)->first();
-
-            if (!$domain || $domain->isPublic()) {
+            if ($domain->isPublic()) {
                 \Log::error("Failed creating alias {$alias->alias}. Alias exists in public domain.");
                 return false;
             }
@@ -41,7 +46,7 @@
                 return false;
             }
         }
-
+*/
         return true;
     }
 
diff --git a/src/tests/Feature/Controller/UsersTest.php b/src/tests/Feature/Controller/UsersTest.php
--- a/src/tests/Feature/Controller/UsersTest.php
+++ b/src/tests/Feature/Controller/UsersTest.php
@@ -418,6 +418,8 @@
     {
         $jack = $this->getTestUser('jack@kolab.org');
         $john = $this->getTestUser('john@kolab.org');
+        $deleted_priv = $this->getTestUser('deleted@kolab.org');
+        $deleted_priv->delete();
 
         // Test empty request
         $response = $this->actingAs($john)->post("/api/v4/users", []);
@@ -481,7 +483,7 @@
             'last_name' => 'Doe2',
             'email' => 'john2.doe2@kolab.org',
             'organization' => 'TestOrg',
-            'aliases' => ['useralias1@kolab.org', 'useralias2@kolab.org'],
+            'aliases' => ['useralias1@kolab.org', 'deleted@kolab.org'],
         ];
 
         // Missing package
@@ -523,8 +525,8 @@
         $this->assertSame('TestOrg', $user->getSetting('organization'));
         $aliases = $user->aliases()->orderBy('alias')->get();
         $this->assertCount(2, $aliases);
-        $this->assertSame('useralias1@kolab.org', $aliases[0]->alias);
-        $this->assertSame('useralias2@kolab.org', $aliases[1]->alias);
+        $this->assertSame('deleted@kolab.org', $aliases[0]->alias);
+        $this->assertSame('useralias1@kolab.org', $aliases[1]->alias);
         // Assert the new user entitlements
         $this->assertUserEntitlements($user, ['groupware', 'mailbox', 'storage', 'storage']);
         // Assert the wallet to which the new user should be assigned to